ie DESCRIPTIONS OF NEW SPECIES 
with a very long, flaky, silk-like, more or less deciduous pubescence! flow- 
_ ers in corymbs, simple or paniculate; rays rather broad and few, yellow, as 
well as the disk. Pappus very slender, fulvous, the external chaffy kind, 
- also, nearly of the same colour. Achenium very remarkable for its tenuity 
and acumination at either extremity, black or brown when ripe, and some- 
what sericeous; the striatures not elevated above the surface into ribs, and 
very slender. 
Pityopsis pinifolia; smooth, leaves crowded, very long and filiform ; branches 
ay ~ _one-flowered, corymbose; scales of the involucrum in three or four series, cari- 
_ nate, pubescent at the tips; achenium pilose, with a very distinct rostrum. 
Has. In Georgia, on sand hills, between Flint and Chatahoochee rivers. 
§ I. SericopnyitLum.—Leaves gramineous, clad with flakes of a long, somewhat 
deciduous, appressed silky pubescence. Achenium mith a shorter rostrum. 
Pityopsis falcata; deciduously sericeous, subdecumbent; corymb simple, pe- 
duncles or naked branchlets one-flowered, axillary and terminal; leayes short, 
linear, sessile, falcately recurved, acute; achenium sericeous, distinctly rostrate. 
Has. In barren pine woods, near Quaker-Bridge, in New Jersey, where alone I have ever seen 
it. Achenium rostrate and acuminate at base; pappus brownish, at first white, the external very 
slender. 
Pityopsis graminifolia. Oxs.—Involucrum and upper branchlets glandu- 
larly pubescent. Achenium slender, attenuated at either extremity. Chry- 
sopsis graminifolia, ELLiorr. Decand., Vol. V., p. 326. 
Pityopsis argentea. sc sfolucriii pubescent, not glandular. Achenium near- 
ly black when mature, acuminated at each extremity. Chrysopsis argentea, 
Exuiorr. Decand:, Vol. V., p. 326. 
* ERICAMERIA. 
Capitulum few-flowered, heterogamous; rays feminine, three to six, short and 
oblong, three-toothed, sometimes bilabiate; discal florets about seven to nine, 
campanulate, five-cleft. Stigmas very long and slender, acuminate, pubes- 
